
ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS - PART 21: STATIC METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
出版:South African Bureau of Standards

專家解讀視頻
Pertains to newly manufactured static watt-hour meters of accuracy classes 1 and 2, for the measurement of alternating current electrical active energy in 50 Hz or 60 Hz networks.
IEC 62053-21:2003+AMD1:2016 CSV - Identical
IEC 62053-21:2003+AMD1:2016 CSV - Identical